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Integrated Photoelectrolysis of Water Implemented On Organic Metal Halide Perovskite Photoelectrode
KTH, Skolan för kemivetenskap (CHE), Kemi.ORCID-id: 0000-0002-4782-4969
Vise andre og tillknytning
2016 (engelsk)Inngår i: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 8, nr 19, s. 11904-11909Artikkel i tidsskrift (Fagfellevurdert) Published
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Abstract [en]

Herein we report on integrated photoelectrolysis of water employing organic metal halide (OMH) perovskite material. Generic OMH perovskite material and device architecture are highly susceptible to degradation by moisture and water. We found that decomposition of perovskite devices proceeds by water ingress through pinholes in upper layers and is strongly affected by applied bias/light and electrolyte pH. It was also found that a pinhole-free hole transport layer (HTL) could significantly enhance the stability of the perovskite photoelectrode, thereby extending the photoelectrode lifetime to several tens of minutes, which is an unprecedented record-long operation. Furthermore, a carbon nanotube (CNT)/polymer composite layer was developed that can effectively protect the underlying perovskite layer from electrolyte molecules.

sted, utgiver, år, opplag, sider
American Chemical Society (ACS), 2016. Vol. 8, nr 19, s. 11904-11909
Emneord [en]
perovskite, water photolysis, photoanode, solar energy, photoelectrochemistry
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Identifikatorer
URN: urn:nbn:se:kth:diva-188734DOI: 10.1021/acsami.6b03478ISI: 000376330800003PubMedID: 27120406Scopus ID: 2-s2.0-84971291336OAI: oai:DiVA.org:kth-188734DiVA, id: diva2:939688
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QC 20160620

Tilgjengelig fra: 2016-06-20 Laget: 2016-06-17 Sist oppdatert: 2017-11-28bibliografisk kontrollert

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Gardner, James M.
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